On the first - Zero Chance. Their case against Trump for 'attempting to steal the election' in 2020 (one of the ones lil jack be nimble is attempting to persue) would completely collapse. Too similar to what they have ALREADY accused the previous administration of attempting to do. That level of hypocrisy would not pass.
On #Two (pun intended) - They already tried that, with the 2020 impeachment, and it FAILED. Also attempts to keep him off the ballots 'due to insurrection' have already been defeated in Federal Courts, including SCOTUS. Yeah, there is 'noise' from some that they would attempt this very thing, but it will die a quick and sudden death.
But.... I never fergits that there be crazy emeffrs in them their halls - so damn near anything can happen.